Looks like the rumor from earlier today was true! Namco Bandai has revealed Naruto: Ultimate Storm Trilogy for the Switch in the latest issue of Weekly Jump. The game will include all previously released DLC as well. No word on release date or localization at this time.
NARUTO SHIPPUDEN: ULTIMATE NINJA STORM TRILOGY collects 3 STORM games in one breathtaking collection. This series has established itself among the pinnacle of anime & manga adaptations to video games! This collection includes: HD Remasters of NARUTO: ULTIMATE NINJA STORM, NARUTO SHIPPUDEN: ULTIMATE NINJA STORM 2, and NARUTO SHIPPUDEN: ULTIMATE NINJA STORM 3 FULL BURST.